JACKSON SAFETY 370 Replacement HeadgearSuspension system features large, soft rubber-grip ratchet that allows you to adjust settings, even while wearing work gloves. Removable foam-padded head support adds comfort and stability. Three-position slider easily alters lens distance from your eyes. Vertical lock feature keeps helmet from slipping while performing demanding tasks. Safety Headgear Accessory Type: Suspension System; For Use With: JACKSON SAFETY* HaloX, HSL Series and Nitro Series Welding Helmets.